Finding the Fourth Proportional to 9,437.34, 13,023.90 and 5,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,437.34 : 13,023.90 = 5,245.50 : x
2. Step 2: Convert to fraction form
   9,437.34/13,023.90 = 5,245.50/x
3. Step 3: Cross multiply
   9,437.34x = 13,023.90 × 5,245.50
4. Step 4: Simplify right side
   9,437.34x = 68,316,867.45
5. Step 5: Solve for x
   x = 68,316,867.45/9,437.34
6. Step 6: Final answer
   x = 7,239.00